✏️ Editing: CompleteDynamicPropertiesRector.php Read Only

<?php

declare (strict_types=1);
namespace Rector\CodeQuality\Rector\Class_;

use PhpParser\Node;
use PhpParser\Node\Name\FullyQualified;
use PhpParser\Node\Stmt\Class_;
use PHPStan\Reflection\ClassReflection;
use PHPStan\Reflection\ReflectionProvider;
use PHPStan\Type\ObjectType;
use PHPStan\Type\Type;
use Rector\CodeQuality\NodeAnalyzer\ClassLikeAnalyzer;
use Rector\CodeQuality\NodeAnalyzer\LocalPropertyAnalyzer;
use Rector\CodeQuality\NodeFactory\MissingPropertiesFactory;
use Rector\NodeAnalyzer\ClassAnalyzer;
use Rector\NodeAnalyzer\PropertyPresenceChecker;
use Rector\Php80\NodeAnalyzer\PhpAttributeAnalyzer;
use Rector\PostRector\ValueObject\PropertyMetadata;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @see \Rector\Tests\CodeQuality\Rector\Class_\CompleteDynamicPropertiesRector\CompleteDynamicPropertiesRectorTest
 */
final class CompleteDynamicPropertiesRector extends AbstractRector
{
    /**
     * @readonly
     * @var \Rector\CodeQuality\NodeFactory\MissingPropertiesFactory
     */
    private $missingPropertiesFactory;
    /**
     * @readonly
     * @var \Rector\CodeQuality\NodeAnalyzer\LocalPropertyAnalyzer
     */
    private $localPropertyAnalyzer;
    /**
     * @readonly
     * @var \Rector\CodeQuality\NodeAnalyzer\ClassLikeAnalyzer
     */
    private $classLikeAnalyzer;
    /**
     * @readonly
     * @var \PHPStan\Reflection\ReflectionProvider
     */
    private $reflectionProvider;
    /**
     * @readonly
     * @var \Rector\NodeAnalyzer\ClassAnalyzer
     */
    private $classAnalyzer;
    /**
     * @readonly
     * @var \Rector\NodeAnalyzer\PropertyPresenceChecker
     */
    private $propertyPresenceChecker;
    /**
     * @readonly
     * @var \Rector\Php80\NodeAnalyzer\PhpAttributeAnalyzer
     */
    private $phpAttributeAnalyzer;
    public function __construct(MissingPropertiesFactory $missingPropertiesFactory, LocalPropertyAnalyzer $localPropertyAnalyzer, ClassLikeAnalyzer $classLikeAnalyzer, ReflectionProvider $reflectionProvider, ClassAnalyzer $classAnalyzer, PropertyPresenceChecker $propertyPresenceChecker, PhpAttributeAnalyzer $phpAttributeAnalyzer)
    {
        $this->missingPropertiesFactory = $missingPropertiesFactory;
        $this->localPropertyAnalyzer = $localPropertyAnalyzer;
        $this->classLikeAnalyzer = $classLikeAnalyzer;
        $this->reflectionProvider = $reflectionProvider;
        $this->classAnalyzer = $classAnalyzer;
        $this->propertyPresenceChecker = $propertyPresenceChecker;
        $this->phpAttributeAnalyzer = $phpAttributeAnalyzer;
    }
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Add missing dynamic properties', [new CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
    public function set()
    {
        $this->value = 5;
    }
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
    /**
     * @var int
     */
    public $value;

public function set()
    {
        $this->value = 5;
    }
}
CODE_SAMPLE
)]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [Class_::class];
    }
    /**
     * @param Class_ $node
     */
    public function refactor(Node $node) : ?Node
    {
        if ($this->shouldSkipClass($node)) {
            return null;
        }
        $className = $this->getName($node);
        if ($className === null) {
            return null;
        }
        if (!$this->reflectionProvider->hasClass($className)) {
            return null;
        }
        $classReflection = $this->reflectionProvider->getClass($className);
        // special case for Laravel Collection macro magic
        $fetchedLocalPropertyNameToTypes = $this->localPropertyAnalyzer->resolveFetchedPropertiesToTypesFromClass($node);
        $propertiesToComplete = $this->resolvePropertiesToComplete($node, $fetchedLocalPropertyNameToTypes);
        if ($propertiesToComplete === []) {
            return null;
        }
        $propertiesToComplete = $this->filterOutExistingProperties($node, $classReflection, $propertiesToComplete);
        $newProperties = $this->missingPropertiesFactory->create($fetchedLocalPropertyNameToTypes, $propertiesToComplete);
        if ($newProperties === []) {
            return null;
        }
        $node->stmts = \array_merge($newProperties, $node->stmts);
        return $node;
    }
    private function shouldSkipClass(Class_ $class) : bool
    {
        if ($this->classAnalyzer->isAnonymousClass($class)) {
            return \true;
        }
        $className = (string) $this->nodeNameResolver->getName($class);
        if (!$this->reflectionProvider->hasClass($className)) {
            return \true;
        }
        if ($this->phpAttributeAnalyzer->hasPhpAttribute($class, 'AllowDynamicProperties')) {
            return \true;
        }
        $classReflection = $this->reflectionProvider->getClass($className);
        // properties are accessed via magic, nothing we can do
        if ($classReflection->hasMethod('__set')) {
            return \true;
        }
        if ($classReflection->hasMethod('__get')) {
            return \true;
        }
        return $class->extends instanceof FullyQualified && !$this->reflectionProvider->hasClass($class->extends->toString());
    }
    /**
     * @param array<string, Type> $fetchedLocalPropertyNameToTypes
     * @return string[]
     */
    private function resolvePropertiesToComplete(Class_ $class, array $fetchedLocalPropertyNameToTypes) : array
    {
        $propertyNames = $this->classLikeAnalyzer->resolvePropertyNames($class);
        /** @var string[] $fetchedLocalPropertyNames */
        $fetchedLocalPropertyNames = \array_keys($fetchedLocalPropertyNameToTypes);
        return \array_diff($fetchedLocalPropertyNames, $propertyNames);
    }
    /**
     * @param string[] $propertiesToComplete
     * @return string[]
     */
    private function filterOutExistingProperties(Class_ $class, ClassReflection $classReflection, array $propertiesToComplete) : array
    {
        $missingPropertyNames = [];
        $className = $classReflection->getName();
        // remove other properties that are accessible from this scope
        foreach ($propertiesToComplete as $propertyToComplete) {
            if ($classReflection->hasProperty($propertyToComplete)) {
                continue;
            }
            $propertyMetadata = new PropertyMetadata($propertyToComplete, new ObjectType($className));
            $hasClassContextProperty = $this->propertyPresenceChecker->hasClassContextProperty($class, $propertyMetadata);
            if ($hasClassContextProperty) {
                continue;
            }
            $missingPropertyNames[] = $propertyToComplete;
        }
        return $missingPropertyNames;
    }
}

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